N.Y. Gen. Bus. Law § 163

§ 163. Time of transmission. Every agent authorized to act as such by\nany steamship company, express company, or otherwise for the purpose of\ntransmitting money, shall within two days after receipt thereof, deliver\nto his principal the money so received. Every such steamship company,\nexpress company, or other company shall thereupon and within three days\nafter receipt thereof from an agent, transmit the same to the person to\nwhom such money has been consigned by the transmitter unless within such\nperiod of three days there be no mail bearing steamer leaving for the\npoint of destination of such moneys, in which event such money shall be\ntransmitted on the first steamship to leave thereafter.\n